Work on Your Head: Music Guru

Perhaps you are so deeply into your crib, and your head, that you rarely, for example, go out or listen to the radio, or talk to anyone, or.... Good news.... The folks at www.pandora.com do, or, at least, did at one time. They compiled a massive database of music, and classified it a bunch of ways, and, if you input an artist or a song, they will play complementary music, and alter their selections based on your feedback. So, no need to change your ways. It's the answer to the Jeopardy music clue: "Jimi Hendrix and Allman Brothers." Answer: "Who are two artists on the 'Lou Reed' pandora music channel?"